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Brocks Performance Dyna Swingarm (Burnished) for Harley-Davidson Dyna (00-17)
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Brocks Performance Dyna Swingarm (Burnished) for Harley-Davidson Dyna (00-17)

$
Sale Price: $1,322.90
You save $!
Product Code: 604387
Choose your options:
Axle Size(required):
Pivot Spacer Size(required):
Brake Mounting Kit(required):
Add Swingarm Chain Guard Kit:
Add Delrin Chain Slider Kit:
Brocks Performance Dyna Swingarm (Burnished) for Harley-Davidson Dyna (00-17)
  • Handcrafted 6061-T6 aluminum extended swingarm
  • Proprietary custom extrusion made exclusively for Brock's Performance
  • Extends wheelbase from stock to 3 inches over
  • 3-position shock mounts allow flexibility in ride height (stock, -1", -2")
  • Designed for use in high-power, high-torque applications
  • Includes centerless ground 4130 Chromoly axle
    (choose from 3/4", 25mm, 1", or 28mm axles)
  • Reversible billet aluminum axle adjusters for easy wheel adjustments
  • Select from one of two caliper mounting options:
    • Undermount - For Aftermarket Calipers
    • OEM - For using the OEM Dyna Caliper and Mount
      (select the correct axle size for your caliper mount)
  • PTFE® lined spherical bearings from Worldwide Bearings preinstalled
  • Select bushing size for the model year Dyna:
    • 11/16" - Model Years 2000-2005
    • 3/4" - Model Years 2006-2017
  • Interior swingarm width measures 10 5/8" at the axle
  • The total weight of swingarm, hardware, and axle is 14.78 lb. (6.70 kg)
    (see the 'Technical' tab for details)
  • Designed, machined, and assembled in the USA
  • Burnished raw aluminum finish
  • See 'Technical' tab for installation information
  • Click here to view installation information
  • Click here to view pivot bolt stack-up engineered drawing
  • Overall hub width is critical for proper operation/handling, see 'Technical' tab for important information regarding installation

Attention: When spacing Dyna rear wheel, the overall width including spacers, brake hanger, etc. Must be: 10.625 in +.020in/-.000in / (269.88mm +.50mm/-.00mm)

Overall hub width is critical for proper operation/handling, product longevity, and rider safety. Brock's Performance will not warranty any damaged swingarm found not to be in compliance with these spacing guidelines.


Performance Dyna Swingarm Weight:

  • Swingarm w/ Bearings: 10.90 lb. (4.94 kg)
  • Axle w/ Nuts & Blocks:
    • 3/4" - 2.85 lb. (1.29 kg)
    • 25mm - 3.15 lb. (1.43 kg)
    • 1" - 3.20 lb. (1.45 kg)
    • 28mm - 3.40 lb. (1.54 kg)
  • Pivot Bushings:
    • 5/8" - 0.40 lb. (0.18 kg)
    • 3/4" - 0.43 lb. (0.20 kg)
  • Caliper Mounting Hardware:
    • OEM Mount - 0.60 lb. (0.27 kg)
    • Undermount Kit - 0.80 lb. (0.36 kg)

Total Performance Dyna Swingarm Weight with OEM Caliper Mount, 3/4" Axle, and 3/4" Pivot Bushings: 14.78 lb. (6.70 kg)


Installation Information:

  • Not a 100% bolt-on application
  • Performance swingarms are wider than OEM to accommodate wider rear tires, an offset sprocket/pulley may be required and/or modification of the rear wheel carrier
    (for BST wheels low profile sprocket carriers are available)
  • Fabrication of wheel and/or shocks spacers required
  • For modified bikes, Brock's Performance recommends the 3/4" pivot shaft which may require modification of the transmission case
  • When using the 3/4" axle in high power applications, we suggest a wheel configuration that utilizes a double row bearing (or outboard bearing) on the sprocket/pulley side

What do you get when you combine 25 years of sportbike drag racing and innovation with a V-Twin industry cry for a swingarm that can handle the ever-increasing demands of ultra-powerful Dyna's? Introducing the Performance Dyna Swingarm™, by Brock's Performance. Leaning heavily on technology proven in the 'stupid fast' turbocharged sportbike area, our tubing, bracing, billet aluminum ends and Chromoly axles routinely control 750 hp/350 ft-lb no wheelie bar missiles in 6 second/220MPH action.

Adapting this winning combination for smooth operation and long street life for your Dyna, we installed replaceable PTFE® lined spherical bearings from Worldwide Bearings at the pivot loops. Adding a bit of flexibility to the stance and chassis tunability in the rear, billet 3-position shock mounts (1/2-13 thread) are standard allowing for stock height, -1", and -2" mounting positions. Speaking of flexibility, check out the brake mounting options to run the OEM caliper and mount or your favorite aftermarket caliper.

Don't forget the extra 3 inches in length can be worth as much as 3 tenths improvement in the 1/4 mile. The bottom line, weighing in at a little over 1/2 the weight of the OEM swingarm and built to handle as much power as you can throw at it, moving/bent axles can now be a thing of the past, and you can look great and go faster too.

Note: Performance Dyna Swingarms are not designed for off-road use.


Brocks Performance Dyna Swingarm (Burnished) for Harley-Davidson Dyna (00-17)

$1322.90
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Pete K, LA

" Thanks for the efforts by the team at nicecycle.com. Was some fun getting the look I wanted. This is hands down the best investment I've made for my Kawasaki Ninja —OEM-level quality, custom paint was FREE, and a perfect fit straight out of the box!

Product 4

Pete K, LA

" Thanks for the efforts by the team at nicecycle.com. Was some fun getting the look I wanted. This is hands down the best investment I've made for my Kawasaki Ninja —OEM-level quality, custom paint was FREE, and a perfect fit straight out of the box!

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Mike J, Florida
Had a crash on my ZX10R and was just looking for a basic OEM replacement. The NiceCycle team had other ideas—they threw me a bunch of custom design options I hadn’t even considered. Ended up with something way better than stock. Lot of effort from their side, and it really shows. Super happy with how it turned out!

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Steve K , Texas ,
Went with a Candy Apple Red for my Hayabusa custom build—came out insanely good. The quality is slick, the paint pops, and it’s a total head-turner. Got a ton of compliments already. Great product, and the team was awesome to deal with!" 🏍️🔥

Product 4

Pete K, LA

" Thanks for the efforts by the team at nicecycle.com. Was some fun getting the look I wanted. This is hands down the best investment I've made for my Kawasaki Ninja —OEM-level quality, custom paint was FREE, and a perfect fit straight out of the box!

Product 3

Mike J, Florida
Had a crash on my ZX10R and was just looking for a basic OEM replacement. The NiceCycle team had other ideas—they threw me a bunch of custom design options I hadn’t even considered. Ended up with something way better than stock. Lot of effort from their side, and it really shows. Super happy with how it turned out!

 motorcycle

Steve K , Texas ,
Went with a Candy Apple Red for my Hayabusa custom build—came out insanely good. The quality is slick, the paint pops, and it’s a total head-turner. Got a ton of compliments already. Great product, and the team was awesome to deal with!" 🏍️🔥

Product 1

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Product 4

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OEM Quality , Professional Paintwork Team , 100% Guarantee

Since 2008 the Largest Supplier of Custom Fairings ⭐ ⭐ ⭐ ⭐ ⭐

Want some Assistance from our Design Team?

CUSTOM DESIGNS ARE FREE!

OEM Quality , Professional Paintwork Team , 100% Guarantee

Since 2008 the Largest Supplier of Custom Fairings ⭐ ⭐ ⭐ ⭐ ⭐

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What’s included in Each Fairing Kit?

✅ Complete Set of Injection Moulded Fairing Plastics to Suit your Specific Model (between 10-30 separate items depending on the model)

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✅ Professionally Installed Pre-Drilled Mounting Holes, Ready For quick Installation.

Free Heat Shields pre installed to protect Fairings from heat damage

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Every NiceCycle Custom Fairing / Bodywork Kit is Hand Crafted & "Made to Order " ( Nicecycle kits are not Cheap Pre-Painted Off the Shelf Kits ) Project Steps and Customer Approval is as Follows.

Once your Project has been Completed and Customer has Approved , we complete Boxing and shipping : Once you have approved your project to our team for Boxing and Shipping we will immediately start Carefully packing your New Fairing Kit in Protective wrapping and Start the Delivery process and Provide Tracking Numbers . We offer a 💯 Delivery Guarantee!

Shipping : 🚚 (USA / Canada / Europe & Australia) is Calculated at Cost Price ( ZERO Mark Up ) (Please Note : These Kits require Large and carefully packed large boxes with many pieces ( Between 15 -30 Items in 1-2 very well packed large boxes ).Once Boxed and Shipped have an average of a 7- 14 Working Day delivery window. Please contact us for further information "before" you place an order if you have any queries).

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